Home / 35,649.32-49,165.54-21,499.08

Finding the Fourth Proportional to 35,649.32, 49,165.54 and 21,499.08

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Solution

The fourth proportional to 35,649.32, 49,165.54 and 21,499.08 is: 29,650.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,649.32 : 49,165.54 = 21,499.08 : x
  2. Step 2: Convert to fraction form
    35,649.32/49,165.54 = 21,499.08/x
  3. Step 3: Cross multiply
    35,649.32x = 49,165.54 × 21,499.08
  4. Step 4: Simplify right side
    35,649.32x = 1,057,013,877.70
  5. Step 5: Solve for x
    x = 1,057,013,877.70/35,649.32
  6. Step 6: Final answer
    x = 29,650.32

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.